feat: tailwindcss v4 마이그레이션

Author: minsgy

package.json

@@ -29,6 +29,8 @@
   },
   "devDependencies": {
     "@biomejs/biome": "2.1.1",
+    "@tailwindcss/vite": "4.1.11",
+    "@tailwindcss/postcss": "4.1.11",
     "@chromatic-com/storybook": "^4.0.1",
     "@storybook/addon-a11y": "^9.0.18",
     "@storybook/addon-docs": "^9.0.18",
@@ -40,17 +42,17 @@
     "@types/react": "19.1.8",
     "@types/react-dom": "19.1.6",
     "@vitejs/plugin-react": "4.6.0",
+    "@vitest/browser": "^3.2.4",
+    "@vitest/coverage-v8": "^3.2.4",
     "msw": "2.10.4",
     "orval": "7.10.0",
+    "playwright": "^1.54.1",
     "postcss": "8",
     "storybook": "^9.0.18",
-    "tailwindcss": "3.4.17",
+    "tailwindcss": "4.1.11",
     "typescript": "5.8.3",
     "vite": "7.0.4",
-    "vitest": "^3.2.4",
-    "@vitest/browser": "^3.2.4",
-    "playwright": "^1.54.1",
-    "@vitest/coverage-v8": "^3.2.4"
+    "vitest": "^3.2.4"
   },
   "msw": {
     "workerDirectory": [